ㄈㄟfēiㄨㄣˊwénㄓㄥˋzhèng

  1. 由於眼睛老化眼球玻璃透明具有游離渾濁飄浮以致眼前浮動陰影飛蚊症」。深度近視網膜剝離

eye floaters (moving spots in the eye's vitreous humor)​
Mouches Volantes